Hi, we have serveral hosts running 9.2-stable, without major issues, except this host: CPU: Intel(R) Xeon(R) CPU E5-2640 0 @ 2.50GHz (2500.05-MHz K8-class CPU) ... real memory = 51539607552 (49152 MB) avail memory = 49344880640 (47058 MB) Event timer "LAPIC" quality 600 ACPI APIC Table: <DELL PE_SC3 > FreeBSD/SMP: Multiprocessor System Detected: 24 CPUs FreeBSD/SMP: 2 package(s) x 6 core(s) x 2 SMT threads it is a nfs server from zfs , very few hosts access it (about 3 web servers), it's connected via 10G, and very often rpcbind gets stuck on select, any help on how to debug/fix this is more than welcome. danny